Electromechanical integrated structural design to achieve a truly maintenance-free. Sensing antenna, motherboards, electronics, and a full set of components focused on front panel, so that all electrical parts, transportation, the installation process to avoid accidental damage to ensure product stability. Can be a direct upgrade to the traditional ball-lock smart lock. Set up a simple, easy installation, the same as with ordinary mechanical locks installation process, no need professional guidance, are free to replace the upgrade.More